Hunyuan Hy3 Preview vs Nemotron Mini 4B Instruct
Hunyuan Hy3 Preview (2026) and Nemotron Mini 4B Instruct (2024) are frontier reasoning models from Tencent AI Lab and NVIDIA AI. Hunyuan Hy3 Preview ships a 262k-token context window, while Nemotron Mini 4B Instruct ships a 4k-token context window. This comparison covers specs, pricing, API access, capabilities, benchmarks, input and output token costs, and production fit for coding and agent workloads.
Hunyuan Hy3 Preview fits 66x more tokens; pick it for long-context work and Nemotron Mini 4B Instruct for tighter calls.
Decision scorecard
Local evidence first| Signal | Hunyuan Hy3 Preview | Nemotron Mini 4B Instruct |
|---|---|---|
| Best for | reasoning-heavy apps, tool-calling agents, and provider-routed production | general production evaluation |
| Decision fit | Coding, RAG, and Agents | General |
| Context window | 262k | 4k |
| Cheapest output | $0.26/1M tokens | - |
| Provider routes | 2 tracked | 1 tracked |
| Shared benchmarks | 0 shared | 0 shared |
Decision tradeoffs
- Hunyuan Hy3 Preview has the larger context window for long prompts, retrieval packs, or transcript analysis.
- Hunyuan Hy3 Preview has broader tracked provider coverage for fallback and route flexibility.
- Hunyuan Hy3 Preview uniquely exposes Reasoning and JSON / Tool use in local model data.
- Local decision data tags Hunyuan Hy3 Preview for Coding, RAG, and Agents.
- Use Nemotron Mini 4B Instruct when your own prompt tests beat the comparison signals; the local data does not show a decisive standalone advantage yet.
Monthly cost at traffic
Estimate token spend from the cheapest tracked input and output route or tier on this page.
Hunyuan Hy3 Preview
$118
Cheapest tracked route/tier: OpenRouter
Nemotron Mini 4B Instruct
Unavailable
No complete token price in local provider data
Cost delta unavailable until both models have sourced input and output token prices.
Switch friction
- No overlapping tracked provider route is sourced for Hunyuan Hy3 Preview and Nemotron Mini 4B Instruct; plan for SDK, billing, or endpoint changes.
- Check replacement coverage for Reasoning and JSON / JSON / Tool use before moving production traffic.
- No overlapping tracked provider route is sourced for Nemotron Mini 4B Instruct and Hunyuan Hy3 Preview; plan for SDK, billing, or endpoint changes.
- Hunyuan Hy3 Preview adds Reasoning and JSON / JSON / Tool use in local capability data.
Specs
| Specification | ||
|---|---|---|
| Released | 2026-04-22 | 2024-08-01 |
| Context window | 262k | 4k |
| Parameters | 295B | 4B |
| Architecture | Dense + MoE Hybrid | Decoder Only |
| License | Tencent Hunyuan Community License | NVIDIA Open Model |
| Openness | Open weights | Open weights |
| Weights | Available | Unknown |
| Code | Unknown | Unknown |
| Commercial use | Commercial use: conditional | Commercial use: permitted |
| Knowledge cutoff | - | - |
Pricing and availability
| Pricing attribute | Hunyuan Hy3 Preview | Nemotron Mini 4B Instruct |
|---|---|---|
| Input price | $0.07/1M tokens | - |
| Output price | $0.26/1M tokens | - |
| Providers |
Capabilities
| Capability | Hunyuan Hy3 Preview | Nemotron Mini 4B Instruct |
|---|---|---|
| Vision | No | No |
| Multimodal | No | No |
| Reasoning | Yes | No |
| JSON / Tool use | Yes | No |
| Structured outputs | No | No |
| Code execution | No | No |
| IDE integration | No | No |
| Computer use | No | No |
| Parallel agents | No | No |
Benchmarks
No shared benchmark scores are currently available for this pair.
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Last reviewed: 2026-06-15. Data sourced from public model cards and provider documentation.